Home / 725,024.80-1,086,500.40-503,149.60

Finding the Fourth Proportional to 725,024.80, 1,086,500.40 and 503,149.60

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Solution

The fourth proportional to 725,024.80, 1,086,500.40 and 503,149.60 is: 754,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,024.80 : 1,086,500.40 = 503,149.60 : x
  2. Step 2: Convert to fraction form
    725,024.80/1,086,500.40 = 503,149.60/x
  3. Step 3: Cross multiply
    725,024.80x = 1,086,500.40 × 503,149.60
  4. Step 4: Simplify right side
    725,024.80x = 546,672,241,659.84
  5. Step 5: Solve for x
    x = 546,672,241,659.84/725,024.80
  6. Step 6: Final answer
    x = 754,004.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.